Chicken pie with leek and Blue Stilton PDO Hartington - Fromi

Ingredients

• 2 tablespoons vegetable oil
• 500g chicken fillet, diced
• 200g PDO Hartington Blue Stilton, cut into small pieces
• 50 g bacon
• 2 leeks, washed and thickly sliced
• 150 g mushrooms, quartered
• Tarragon: a fresh sprig or a teaspoon of dried tarragon
• 1 crushed clove
• 15 g butter
• 1 tablespoon flour
• 30 cl milk
• Chicken stock cube
• Black pepper
• A little milk and a beaten egg for the glaze
• 2 circles of puff pastry